142631052 has 12 divisors (see below), whose sum is σ = 332805816. Its totient is φ = 47543680.

The previous prime is 142631051. The next prime is 142631117. The reversal of 142631052 is 250136241.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (142631051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5942949 + ... + 5942972.

It is an arithmetic number, because the mean of its divisors is an integer number (27733818).

Almost surely, 2^142631052 is an apocalyptic number.

142631052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142631052 is an abundant number, since it is smaller than the sum of its proper divisors (190174764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142631052 is a wasteful number, since it uses less digits than its factorization.

142631052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11885928 (or 11885926 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 142631052 is about 11942.8242890867. The cubic root of 142631052 is about 522.4820344395.

Adding to 142631052 its reverse (250136241), we get a palindrome (392767293).

The spelling of 142631052 in words is "one hundred forty-two million, six hundred thirty-one thousand, fifty-two".